+ do
+ {
+ pos_x_new = mev->x;
+ pos_y_new = mev->y;
+ }
+ while (XCheckTypedEvent (disp_g, MotionNotify, &event));
+
+ printf ("XMotionEvent received: [%u,%u] -> [%u,%u]\n",
+ pos_x_old, pos_y_old, pos_x_new, pos_y_new);
+
+ if (mev->state & Button1Mask)